string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BF%AE%E9%81%93%E8%B7%AF%E7%9A%84%E5%BB%BA%E8%AE%AE%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 14.18.117.71 port 38133: Connection refused"
修道路的建议有哪些
